<mat-progress-bar mode="determinate" value="40" class="scene-progress-bar"></mat-progress-bar>
<mat-progress-bar mode="indeterminate" class="scene-progress-bar"></mat-progress-bar>
<mat-progress-bar mode="buffer" class="scene-progress-bar"></mat-progress-bar>
<mat-progress-bar mode="query" class="scene-progress-bar"></mat-progress-bar>

